Global Specialties 1335, 1337 Instruction Manual

1335

&

1337

E

C Povver

Supply

1335

REGULATED

DC POWER

SUPPLY

ON

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Instruction

ManuaI

GLOBAL

70

Fulton Terrace . New

Haven,

CT

06512

B.OO-572-1O28

.

FAX

203-468-0060

www. g I obal

s

peci

a lties.

co m

7l9B

B0-01

-0825

7335

E

C

Povver

Supply

Instruction

70 Fulton

Terrace

.

New

Haven

CT

065i2

aOO-

57 2- 1O2A

.

FAX

2O3-46a-

0060

www-g

loba

I spec

ia

lties

-cotr.l

ManuaI

GLOBALWre

7tqg

B0-01-0825

TABLE

OF

G,o.NTEATTS

GENERAL

INFORMATION

...

page

2

SPECIFICATIONS..

......

page

3

LOCATION

AND DESCRIPTION

oF OPERATING

CONTROLS..

page

6

INSTALLATION

....

page

7

OPERATING

INSTRUCTIONS

......

page

9

POWER

SUPPLY

OPERATION .

..page

12

OPERATING

PRECAUTIONS

..

....

page

13

CASE

DISASSEMBLY

AND

ASSEMBLY

...

.

page

14

MAINTENANCE

AND RECALIBRATION

....

page

14

SERVICE AND

WARRANTY INFORMATION

.....

page

15

PART

LIST

,... Page

10

SCHEMATIC

. Page

21

L'sT

OF

ILLUSTF|ATTOruS

FIGURE

1. Location

of operating

controls

..... Page

5

GEI'EF|AL

TNFORMATION

DEscRIPTIo.N

The

1335

Power

Supply

is

a high

performance

singte

output

DC

power

supply

for

industrial

and laboratory

use.

Performance

with

economy

have

successfully

been

combined

to

provide

a compact,

fully

solid

state

instrument.

The

output

is

continuously

variable

from

o to

32v

and

can

supply

3A

max,

and

can

be adjusted

continuously

throughout

the

output

range.

The

front

panel

CURRENT

control

can

be

used

to

establish

the

outfut

current

limit (overload

or

short

circuit).

When

the

supply

is

used

as

a

constant

voltage

source

the

VOLTAGE

controls

can

be

used

to

limit

the

output

voltage.

When

the

unit is

used

as

a constant

current

source,

CURRENT

controls

can

be used

to limit

the

output

current.The

unit will

automatically

cross

over from

constant

voltage

to

current

mode

and

vice-versa,

if

the

output

current

or voltage

exceeds

these

preset

limits.

Output

voltage

and

current

are

continuously

monitored

on

two

front

panel

meters.

The

load

terminals

are

provided

on the

front

panel.

Either

the

positive

or

negative

output

terminal

may

be

grounded

or the

power

supply

can

be

operated

floating

at up to

a maximum

of t3ooVDC

above

ground.

All

the

outputs

are floating

i.e.

neither

the

output

positive

terminal

nor

the

negative

terminal

(nor

any

point

within

the regulator

circuitry)

is

con-

nected

to

ground.

The

power

supply

is

designed

to

operate

in

ambient

temperature

of

up

to

40"C

and

full

output may

be drawn

continuously provided

free

air

circulation

is

allowed.

The

unit works

from

mains

supply

of 11SVAC,

47-63

Hz.

2

GLOBAL*ECALTTT

INSTRUMENTS

SPEc.IFTc.AT'OruS

Detailed

specifications

of

the

power

supply

are

given

in

the

following

table.

Output

Voltage:

0-32V

DC

continuously

variable

with

coarse

and

fine

voltage

controls.

Load

Current:

0-3 Amp

max.,

continuously

variable

with

coarse

and fine

controls.

cOA'STANT

VOLTAGE

MODE

REGULATION

Line:

Less

than*0.01"/"

+2mv

for

*

10%

change

in

rine

voltage.

Load:

Less

than

t0.01

"/o

+ZmV

for

load

change

from

zero

to full

load.

Ripple

&

Noise:

Less

than

I

mV

rms

max

.(2oHz-20

MHz)

cONSTANT

CURRENT

MODE

REGIJLATION

Line:

Less

than

t0.1"/o

+250pA

for

*

ro%

change

in

rine

voltage.

Load:

Less

than t0.1"/"

+250

pA

for

change

in

output

volt-

age from

0 volts

to

maximum

output

voltage.

Ripple

& Noise:

0.04%

rms.(2.0

mA)

Output

Polarity:

Floating

w.r.t.

ground.

Overload

Protection:

Automatic

overload

and

short

circuit

protection.

Transient

Response:

1OOprsecs

to within

l

OmV

of

set

output

voltage

for

load

change

from

10%

to

9O%.

GLOBAL*ECALTTre

.)

U

INSTRUMENTS

STABILITY

Total

drift

within

I

hours: t0.1"/"

+2.SmV

in

constant

after warm

up

under

voltage

mode.

Constant line

load

& temp:

t0.5"/"

+2mA

in

constant

current

mode.

Panel

Meters:

Digital

panel

meters

(marked

V for

voltmeter

and

A for

ammeter)

are

provided

with

an

accuracy

of

*3

counts.

Mode Indication:

Respective

LED lights

up when

the

unit is working

in

CV or

CC mode.

Output

Controls:

Single turn

coarse

and fine

voltage

and

current

controls

are

provided

on the

front

panel.

Operating Temp:

0-40'C.

f nput

Voltage:

1 1SVAC,

*

10"h,47-63H2

single

phase

Dimensions:

230mm(W)

x 255mm(D)

x 133mm(H).

Weight:

6.70

Kg(approx.)

GLOBAL

*ECALTIES

4

INSTRUMI:N'TS

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(op

.=
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t!

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qGLOE'AL

*ECALT'ES

INSTRUMENI'S

LOCATION

ANE'

DESG|FITPTIo|N

OF

oPEFATING

c'o.NTFro|Ls,

ln

order

to

use

the

full

capabilities

of the

1335,

it is

highly

recommended

that

the

user

become

familiar

with

the

controls

associated

with

this

in-

strument. (See

Figure

1)

1-

Power

oN/oFF

switch.

7-

current

Fine

control

clock-

wise

rotation

increases

vari_

2-

supply

LED

Display.

Dispray

able

output

current

in

cc

Voltage

0 to

32VDCmode

mode.

3-

Supply

LED

Display.

Disptays

current

0 to

3AMP.

B-

CV

LED

Constant

Voltage

In-

dication

4-

Variable

coarse

voltage

con-

g-

cc

LED

constant

cu rrent

trol.

clockwise

rotation

in-

Mode

Indication

creases

variable

output volt-

age

in

CV

mode.

10-

Output

terminals

Red

terminal

ts

output

(+)ve.

Black

termi_

5- Variable

fine

voltage

control.

nal

is

output

(-)ve.

Clockwise

rotation

increases

variable

output

voltage

in

cV

1 1-

Ground

terminal.

mode.

6-

Current

coarse

Control.

Clock-

wise

rotation

increases

vari-

able

output

current

in

cc

mode.

GLOBAL

*ECALTTES

6

INS'fRTJMI]NIS